Opera series is designed to perfectly match recent high-spec full-frame DSLR cameras, which keep requiring high quality optics to be used with. In addition to originally high-valued Tokina AT-X series, this new opera series is positioned as to

Opera series is designed to perfectly match recent high-spec full-frame DSLR cameras, which keep requiring high quality optics to be used with. In addition to originally high-valued Tokina AT-X series, this new opera series is positioned as to